Lens for 6-inch altazimuth theodolite by Dollond, first half 19th century.
Details
- Category:
- Surveying
- Object Number:
- 1935-262 Pt3
- Materials:
- brass (copper, zinc alloy) and glass
- Measurements:
-
overall: 62 mm 20 mm,
- type:
- lens
- credit:
- Mrs. M. Connal.
